xref: /dpdk/app/test-pmd/parameters.c (revision 63b7265717c4d24eaf31547d30bb81092f38209e)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 
23 #include <rte_common.h>
24 #include <rte_byteorder.h>
25 #include <rte_log.h>
26 #include <rte_debug.h>
27 #include <rte_cycles.h>
28 #include <rte_memory.h>
29 #include <rte_launch.h>
30 #include <rte_eal.h>
31 #include <rte_per_lcore.h>
32 #include <rte_lcore.h>
33 #include <rte_atomic.h>
34 #include <rte_branch_prediction.h>
35 #include <rte_mempool.h>
36 #include <rte_interrupts.h>
37 #include <rte_pci.h>
38 #include <rte_ether.h>
39 #include <rte_ethdev.h>
40 #include <rte_string_fns.h>
41 #ifdef RTE_NET_BOND
42 #include <rte_eth_bond.h>
43 #endif
44 #include <rte_flow.h>
45 
46 #include "testpmd.h"
47 
48 static void
49 usage(char* progname)
50 {
51 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
52 	       progname);
53 #ifdef RTE_LIB_CMDLINE
54 	printf("  --interactive: run in interactive mode.\n");
55 	printf("  --cmdline-file: execute cli commands before startup.\n");
56 #endif
57 	printf("  --auto-start: start forwarding on init "
58 	       "[always when non-interactive].\n");
59 	printf("  --help: display this message and quit.\n");
60 	printf("  --tx-first: start forwarding sending a burst first "
61 	       "(only if interactive is disabled).\n");
62 	printf("  --stats-period=PERIOD: statistics will be shown "
63 	       "every PERIOD seconds (only if interactive is disabled).\n");
64 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
65 	       "extended statistics to show. Used with --stats-period "
66 	       "specified or interactive commands that show Rx/Tx statistics "
67 	       "(i.e. 'show port stats').\n");
68 	printf("  --nb-cores=N: set the number of forwarding cores "
69 	       "(1 <= N <= %d).\n", nb_lcores);
70 	printf("  --nb-ports=N: set the number of forwarding ports "
71 	       "(1 <= N <= %d).\n", nb_ports);
72 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
73 	       "the packet forwarding test. The main lcore is reserved for "
74 	       "command line parsing only, and cannot be masked on for "
75 	       "packet forwarding.\n");
76 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
77 	       "by the packet forwarding test.\n");
78 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
79 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
80 	       "RX memory buffers (mbufs).\n");
81 	printf("  --no-numa: disable NUMA-aware allocation.\n");
82 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
83 	       "specify the socket on which the memory pool "
84 	       "used by the port will be allocated.\n");
85 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
86 	       "specify the socket on which the TX/RX rings for "
87 	       "the port will be allocated "
88 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
89 	printf("  --socket-num=N: set socket from which all memory is allocated "
90 	       "in NUMA mode.\n");
91 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
92 	       "N bytes. If multiple numbers are specified the extra pools "
93 	       "will be created to receive with packet split features\n");
94 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
95 	       "in mbuf pools.\n");
96 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
97 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
98 	       "size to N bytes.\n");
99 #ifdef RTE_LIB_CMDLINE
100 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
101 	       "of peer ports.\n");
102 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
103 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
104 #endif
105 	printf("  --pkt-filter-mode=N: set Flow Director mode "
106 	       "(N: none (default mode) or signature or perfect).\n");
107 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
108 	       "(N: none  or match (default) or always).\n");
109 	printf("  --pkt-filter-size=N: set Flow Director mode "
110 	       "(N: 64K (default mode) or 128K or 256K).\n");
111 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
112 	       "In perfect mode, when you add a rule with queue = -1 "
113 	       "the packet will be enqueued into the rx drop-queue. "
114 	       "If the drop-queue doesn't exist, the packet is dropped. "
115 	       "By default drop-queue=127.\n");
116 #ifdef RTE_LIB_LATENCYSTATS
117 	printf("  --latencystats=N: enable latency and jitter statistcs "
118 	       "monitoring on forwarding lcore id N.\n");
119 #endif
120 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
121 	printf("  --enable-scatter: enable scattered Rx.\n");
122 	printf("  --enable-lro: enable large receive offload.\n");
123 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
124 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
125 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
126 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
127 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
128 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
129 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
130 	printf("  --enable-drop-en: enable per queue packet drop.\n");
131 	printf("  --disable-rss: disable rss.\n");
132 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
133 	       "is default).\n");
134 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
135 	       list_pkt_forwarding_modes());
136 	printf("  --forward-mode=5tswap: set forwarding mode to "
137 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
138 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
139 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
140 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
141 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
142 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
143 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
144 	printf("  --txq=N: set the number of TX queues per port to N.\n");
145 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
146 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
147 	       "N.\n");
148 	printf("  --burst=N: set the number of packets per burst to N.\n");
149 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
150 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
151 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
152 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
153 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
154 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
155 	       "(0 <= N < value of rxd).\n");
156 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
157 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
158 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
159 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
160 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
161 	       "(0 <= N <= value of txd).\n");
162 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
163 	       "(0 <= N <= value of txd).\n");
164 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
165 	       " Used mainly with PCAP drivers.\n");
166 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
167 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
168 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
169 		" or total packet length.\n");
170 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
171 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
172 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
173 	printf("  --eth-link-speed: force link speed.\n");
174 	printf("  --disable-link-check: disable check on link status when "
175 	       "starting/stopping ports.\n");
176 	printf("  --disable-device-start: do not automatically start port\n");
177 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
178 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
179 	printf("  --bitrate-stats=N: set the logical core N to perform "
180 		"bit-rate calculation.\n");
181 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
182 	       "enable print of designated event or all of them.\n");
183 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
184 	       "disable print of designated event or all of them.\n");
185 	printf("  --flow-isolate-all: "
186 	       "requests flow API isolated mode on all ports at initialization time.\n");
187 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
188 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
189 	printf("  --hot-plug: enable hot plug for device.\n");
190 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
191 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
192 #ifndef RTE_EXEC_ENV_WINDOWS
193 	printf("  --mlockall: lock all memory\n");
194 	printf("  --no-mlockall: do not lock all memory\n");
195 #endif
196 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
197 	       "    native: use regular DPDK memory to create and populate mempool\n"
198 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
199 	       "    xmem: use anonymous memory to create and populate mempool\n"
200 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
201 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
202 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
203 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
204 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
205 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
206 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
207 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
208 	       "valid only with --mp-alloc=anon\n");
209 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
210 	       "enabled\n");
211 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
212 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
213 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
214 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
215 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
216 }
217 
218 #ifdef RTE_LIB_CMDLINE
219 static int
220 init_peer_eth_addrs(const char *config_filename)
221 {
222 	FILE *config_file;
223 	portid_t i;
224 	char buf[50];
225 
226 	config_file = fopen(config_filename, "r");
227 	if (config_file == NULL) {
228 		perror("Failed to open eth config file\n");
229 		return -1;
230 	}
231 
232 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
233 
234 		if (fgets(buf, sizeof(buf), config_file) == NULL)
235 			break;
236 
237 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
238 			fprintf(stderr, "Bad MAC address format on line %d\n",
239 				i + 1);
240 			fclose(config_file);
241 			return -1;
242 		}
243 	}
244 	fclose(config_file);
245 	nb_peer_eth_addrs = (portid_t) i;
246 	return 0;
247 }
248 #endif
249 
250 /*
251  * Parse the coremask given as argument (hexadecimal string) and set
252  * the global configuration of forwarding cores.
253  */
254 static void
255 parse_fwd_coremask(const char *coremask)
256 {
257 	char *end;
258 	unsigned long long int cm;
259 
260 	/* parse hexadecimal string */
261 	end = NULL;
262 	cm = strtoull(coremask, &end, 16);
263 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
264 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
265 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
266 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
267 }
268 
269 /*
270  * Parse the coremask given as argument (hexadecimal string) and set
271  * the global configuration of forwarding cores.
272  */
273 static void
274 parse_fwd_portmask(const char *portmask)
275 {
276 	char *end;
277 	unsigned long long int pm;
278 
279 	/* parse hexadecimal string */
280 	end = NULL;
281 	pm = strtoull(portmask, &end, 16);
282 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
283 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
284 	else
285 		set_fwd_ports_mask((uint64_t) pm);
286 }
287 
288 static void
289 print_invalid_socket_id_error(void)
290 {
291 	unsigned int i = 0;
292 
293 	fprintf(stderr, "Invalid socket id, options are: ");
294 	for (i = 0; i < num_sockets; i++) {
295 		fprintf(stderr, "%u%s", socket_ids[i],
296 			(i == num_sockets - 1) ? "\n" : ",");
297 	}
298 }
299 
300 static int
301 parse_portnuma_config(const char *q_arg)
302 {
303 	char s[256];
304 	const char *p, *p0 = q_arg;
305 	char *end;
306 	uint8_t i, socket_id;
307 	portid_t port_id;
308 	unsigned size;
309 	enum fieldnames {
310 		FLD_PORT = 0,
311 		FLD_SOCKET,
312 		_NUM_FLD
313 	};
314 	unsigned long int_fld[_NUM_FLD];
315 	char *str_fld[_NUM_FLD];
316 
317 	/* reset from value set at definition */
318 	while ((p = strchr(p0,'(')) != NULL) {
319 		++p;
320 		if((p0 = strchr(p,')')) == NULL)
321 			return -1;
322 
323 		size = p0 - p;
324 		if(size >= sizeof(s))
325 			return -1;
326 
327 		snprintf(s, sizeof(s), "%.*s", size, p);
328 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
329 			return -1;
330 		for (i = 0; i < _NUM_FLD; i++) {
331 			errno = 0;
332 			int_fld[i] = strtoul(str_fld[i], &end, 0);
333 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
334 				return -1;
335 		}
336 		port_id = (portid_t)int_fld[FLD_PORT];
337 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
338 			port_id == (portid_t)RTE_PORT_ALL) {
339 			print_valid_ports();
340 			return -1;
341 		}
342 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
343 		if (new_socket_id(socket_id)) {
344 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
345 				print_invalid_socket_id_error();
346 				return -1;
347 			}
348 			socket_ids[num_sockets++] = socket_id;
349 		}
350 		port_numa[port_id] = socket_id;
351 	}
352 
353 	return 0;
354 }
355 
356 static int
357 parse_ringnuma_config(const char *q_arg)
358 {
359 	char s[256];
360 	const char *p, *p0 = q_arg;
361 	char *end;
362 	uint8_t i, ring_flag, socket_id;
363 	portid_t port_id;
364 	unsigned size;
365 	enum fieldnames {
366 		FLD_PORT = 0,
367 		FLD_FLAG,
368 		FLD_SOCKET,
369 		_NUM_FLD
370 	};
371 	unsigned long int_fld[_NUM_FLD];
372 	char *str_fld[_NUM_FLD];
373 	#define RX_RING_ONLY 0x1
374 	#define TX_RING_ONLY 0x2
375 	#define RXTX_RING    0x3
376 
377 	/* reset from value set at definition */
378 	while ((p = strchr(p0,'(')) != NULL) {
379 		++p;
380 		if((p0 = strchr(p,')')) == NULL)
381 			return -1;
382 
383 		size = p0 - p;
384 		if(size >= sizeof(s))
385 			return -1;
386 
387 		snprintf(s, sizeof(s), "%.*s", size, p);
388 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
389 			return -1;
390 		for (i = 0; i < _NUM_FLD; i++) {
391 			errno = 0;
392 			int_fld[i] = strtoul(str_fld[i], &end, 0);
393 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
394 				return -1;
395 		}
396 		port_id = (portid_t)int_fld[FLD_PORT];
397 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
398 			port_id == (portid_t)RTE_PORT_ALL) {
399 			print_valid_ports();
400 			return -1;
401 		}
402 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
403 		if (new_socket_id(socket_id)) {
404 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
405 				print_invalid_socket_id_error();
406 				return -1;
407 			}
408 			socket_ids[num_sockets++] = socket_id;
409 		}
410 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
411 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
412 			fprintf(stderr,
413 				"Invalid ring-flag=%d config for port =%d\n",
414 				ring_flag,port_id);
415 			return -1;
416 		}
417 
418 		switch (ring_flag & RXTX_RING) {
419 		case RX_RING_ONLY:
420 			rxring_numa[port_id] = socket_id;
421 			break;
422 		case TX_RING_ONLY:
423 			txring_numa[port_id] = socket_id;
424 			break;
425 		case RXTX_RING:
426 			rxring_numa[port_id] = socket_id;
427 			txring_numa[port_id] = socket_id;
428 			break;
429 		default:
430 			fprintf(stderr,
431 				"Invalid ring-flag=%d config for port=%d\n",
432 				ring_flag,port_id);
433 			break;
434 		}
435 	}
436 
437 	return 0;
438 }
439 
440 static int
441 parse_event_printing_config(const char *optarg, int enable)
442 {
443 	uint32_t mask = 0;
444 
445 	if (!strcmp(optarg, "unknown"))
446 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
447 	else if (!strcmp(optarg, "intr_lsc"))
448 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
449 	else if (!strcmp(optarg, "queue_state"))
450 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
451 	else if (!strcmp(optarg, "intr_reset"))
452 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
453 	else if (!strcmp(optarg, "vf_mbox"))
454 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
455 	else if (!strcmp(optarg, "ipsec"))
456 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
457 	else if (!strcmp(optarg, "macsec"))
458 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
459 	else if (!strcmp(optarg, "intr_rmv"))
460 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
461 	else if (!strcmp(optarg, "dev_probed"))
462 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
463 	else if (!strcmp(optarg, "dev_released"))
464 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
465 	else if (!strcmp(optarg, "flow_aged"))
466 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
467 	else if (!strcmp(optarg, "all"))
468 		mask = ~UINT32_C(0);
469 	else {
470 		fprintf(stderr, "Invalid event: %s\n", optarg);
471 		return -1;
472 	}
473 	if (enable)
474 		event_print_mask |= mask;
475 	else
476 		event_print_mask &= ~mask;
477 	return 0;
478 }
479 
480 static int
481 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
482 		  unsigned int *xstats_num)
483 {
484 	int max_names_nb, names_nb, nonempty_names_nb;
485 	int name, nonempty_name;
486 	int stringlen;
487 	char **names;
488 	char *str;
489 	int ret;
490 	int i;
491 
492 	names = NULL;
493 	str = strdup(in_str);
494 	if (str == NULL) {
495 		ret = -ENOMEM;
496 		goto out;
497 	}
498 	stringlen = strlen(str);
499 
500 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
501 		if (str[i] == ',')
502 			max_names_nb++;
503 	}
504 
505 	names = calloc(max_names_nb, sizeof(*names));
506 	if (names == NULL) {
507 		ret = -ENOMEM;
508 		goto out;
509 	}
510 
511 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
512 	if (names_nb < 0) {
513 		ret = -EINVAL;
514 		goto out;
515 	}
516 
517 	nonempty_names_nb = 0;
518 	for (i = 0; i < names_nb; i++) {
519 		if (names[i][0] == '\0')
520 			continue;
521 		nonempty_names_nb++;
522 	}
523 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
524 	if (*xstats == NULL) {
525 		ret = -ENOMEM;
526 		goto out;
527 	}
528 
529 	for (name = nonempty_name = 0; name < names_nb; name++) {
530 		if (names[name][0] == '\0')
531 			continue;
532 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
533 			    sizeof((*xstats)[nonempty_name].name));
534 		nonempty_name++;
535 	}
536 
537 	*xstats_num = nonempty_names_nb;
538 	ret = 0;
539 
540 out:
541 	free(names);
542 	free(str);
543 	return ret;
544 }
545 
546 static int
547 parse_link_speed(int n)
548 {
549 	uint32_t speed = ETH_LINK_SPEED_FIXED;
550 
551 	switch (n) {
552 	case 1000:
553 		speed |= ETH_LINK_SPEED_1G;
554 		break;
555 	case 10000:
556 		speed |= ETH_LINK_SPEED_10G;
557 		break;
558 	case 25000:
559 		speed |= ETH_LINK_SPEED_25G;
560 		break;
561 	case 40000:
562 		speed |= ETH_LINK_SPEED_40G;
563 		break;
564 	case 50000:
565 		speed |= ETH_LINK_SPEED_50G;
566 		break;
567 	case 100000:
568 		speed |= ETH_LINK_SPEED_100G;
569 		break;
570 	case 200000:
571 		speed |= ETH_LINK_SPEED_200G;
572 		break;
573 	case 100:
574 	case 10:
575 	default:
576 		fprintf(stderr, "Unsupported fixed speed\n");
577 		return 0;
578 	}
579 
580 	return speed;
581 }
582 
583 void
584 launch_args_parse(int argc, char** argv)
585 {
586 #define PARAM_PROC_ID "proc-id"
587 #define PARAM_NUM_PROCS "num-procs"
588 
589 	int n, opt;
590 	char **argvopt;
591 	int opt_idx;
592 	portid_t pid;
593 	enum { TX, RX };
594 	/* Default offloads for all ports. */
595 	uint64_t rx_offloads = rx_mode.offloads;
596 	uint64_t tx_offloads = tx_mode.offloads;
597 	struct rte_eth_dev_info dev_info;
598 	uint16_t rec_nb_pkts;
599 	int ret;
600 
601 	static struct option lgopts[] = {
602 		{ "help",			0, 0, 0 },
603 #ifdef RTE_LIB_CMDLINE
604 		{ "interactive",		0, 0, 0 },
605 		{ "cmdline-file",		1, 0, 0 },
606 		{ "auto-start",			0, 0, 0 },
607 		{ "eth-peers-configfile",	1, 0, 0 },
608 		{ "eth-peer",			1, 0, 0 },
609 #endif
610 		{ "tx-first",			0, 0, 0 },
611 		{ "stats-period",		1, 0, 0 },
612 		{ "display-xstats",		1, 0, 0 },
613 		{ "nb-cores",			1, 0, 0 },
614 		{ "nb-ports",			1, 0, 0 },
615 		{ "coremask",			1, 0, 0 },
616 		{ "portmask",			1, 0, 0 },
617 		{ "portlist",			1, 0, 0 },
618 		{ "numa",			0, 0, 0 },
619 		{ "no-numa",			0, 0, 0 },
620 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
621 		{ "port-numa-config",           1, 0, 0 },
622 		{ "ring-numa-config",           1, 0, 0 },
623 		{ "socket-num",			1, 0, 0 },
624 		{ "mbuf-size",			1, 0, 0 },
625 		{ "total-num-mbufs",		1, 0, 0 },
626 		{ "max-pkt-len",		1, 0, 0 },
627 		{ "max-lro-pkt-size",		1, 0, 0 },
628 		{ "pkt-filter-mode",            1, 0, 0 },
629 		{ "pkt-filter-report-hash",     1, 0, 0 },
630 		{ "pkt-filter-size",            1, 0, 0 },
631 		{ "pkt-filter-drop-queue",      1, 0, 0 },
632 #ifdef RTE_LIB_LATENCYSTATS
633 		{ "latencystats",               1, 0, 0 },
634 #endif
635 #ifdef RTE_LIB_BITRATESTATS
636 		{ "bitrate-stats",              1, 0, 0 },
637 #endif
638 		{ "disable-crc-strip",          0, 0, 0 },
639 		{ "enable-lro",                 0, 0, 0 },
640 		{ "enable-rx-cksum",            0, 0, 0 },
641 		{ "enable-rx-timestamp",        0, 0, 0 },
642 		{ "enable-scatter",             0, 0, 0 },
643 		{ "enable-hw-vlan",             0, 0, 0 },
644 		{ "enable-hw-vlan-filter",      0, 0, 0 },
645 		{ "enable-hw-vlan-strip",       0, 0, 0 },
646 		{ "enable-hw-vlan-extend",      0, 0, 0 },
647 		{ "enable-hw-qinq-strip",       0, 0, 0 },
648 		{ "enable-drop-en",            0, 0, 0 },
649 		{ "disable-rss",                0, 0, 0 },
650 		{ "port-topology",              1, 0, 0 },
651 		{ "forward-mode",               1, 0, 0 },
652 		{ "rss-ip",			0, 0, 0 },
653 		{ "rss-udp",			0, 0, 0 },
654 		{ "rss-level-outer",		0, 0, 0 },
655 		{ "rss-level-inner",		0, 0, 0 },
656 		{ "rxq",			1, 0, 0 },
657 		{ "txq",			1, 0, 0 },
658 		{ "rxd",			1, 0, 0 },
659 		{ "txd",			1, 0, 0 },
660 		{ "hairpinq",			1, 0, 0 },
661 		{ "hairpin-mode",		1, 0, 0 },
662 		{ "burst",			1, 0, 0 },
663 		{ "flowgen-clones",		1, 0, 0 },
664 		{ "flowgen-flows",		1, 0, 0 },
665 		{ "mbcache",			1, 0, 0 },
666 		{ "txpt",			1, 0, 0 },
667 		{ "txht",			1, 0, 0 },
668 		{ "txwt",			1, 0, 0 },
669 		{ "txfreet",			1, 0, 0 },
670 		{ "txrst",			1, 0, 0 },
671 		{ "rxpt",			1, 0, 0 },
672 		{ "rxht",			1, 0, 0 },
673 		{ "rxwt",			1, 0, 0 },
674 		{ "rxfreet",                    1, 0, 0 },
675 		{ "no-flush-rx",	0, 0, 0 },
676 		{ "flow-isolate-all",	        0, 0, 0 },
677 		{ "rxoffs",			1, 0, 0 },
678 		{ "rxpkts",			1, 0, 0 },
679 		{ "txpkts",			1, 0, 0 },
680 		{ "txonly-multi-flow",		0, 0, 0 },
681 		{ "eth-link-speed",		1, 0, 0 },
682 		{ "disable-link-check",		0, 0, 0 },
683 		{ "disable-device-start",	0, 0, 0 },
684 		{ "no-lsc-interrupt",		0, 0, 0 },
685 		{ "no-rmv-interrupt",		0, 0, 0 },
686 		{ "print-event",		1, 0, 0 },
687 		{ "mask-event",			1, 0, 0 },
688 		{ "tx-offloads",		1, 0, 0 },
689 		{ "rx-offloads",		1, 0, 0 },
690 		{ "hot-plug",			0, 0, 0 },
691 		{ "vxlan-gpe-port",		1, 0, 0 },
692 		{ "geneve-parsed-port",		1, 0, 0 },
693 #ifndef RTE_EXEC_ENV_WINDOWS
694 		{ "mlockall",			0, 0, 0 },
695 		{ "no-mlockall",		0, 0, 0 },
696 #endif
697 		{ "mp-alloc",			1, 0, 0 },
698 		{ "tx-ip",			1, 0, 0 },
699 		{ "tx-udp",			1, 0, 0 },
700 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
701 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
702 		{ "noisy-lkup-memory",		1, 0, 0 },
703 		{ "noisy-lkup-num-writes",	1, 0, 0 },
704 		{ "noisy-lkup-num-reads",	1, 0, 0 },
705 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
706 		{ "no-iova-contig",             0, 0, 0 },
707 		{ "rx-mq-mode",                 1, 0, 0 },
708 		{ "record-core-cycles",         0, 0, 0 },
709 		{ "record-burst-stats",         0, 0, 0 },
710 		{ PARAM_NUM_PROCS,              1, 0, 0 },
711 		{ PARAM_PROC_ID,                1, 0, 0 },
712 		{ 0, 0, 0, 0 },
713 	};
714 
715 	argvopt = argv;
716 
717 #ifdef RTE_LIB_CMDLINE
718 #define SHORTOPTS "i"
719 #else
720 #define SHORTOPTS ""
721 #endif
722 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
723 				 lgopts, &opt_idx)) != EOF) {
724 		switch (opt) {
725 #ifdef RTE_LIB_CMDLINE
726 		case 'i':
727 			printf("Interactive-mode selected\n");
728 			interactive = 1;
729 			break;
730 #endif
731 		case 'a':
732 			printf("Auto-start selected\n");
733 			auto_start = 1;
734 			break;
735 
736 		case 0: /*long options */
737 			if (!strcmp(lgopts[opt_idx].name, "help")) {
738 				usage(argv[0]);
739 				exit(EXIT_SUCCESS);
740 			}
741 #ifdef RTE_LIB_CMDLINE
742 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
743 				printf("Interactive-mode selected\n");
744 				interactive = 1;
745 			}
746 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
747 				printf("CLI commands to be read from %s\n",
748 				       optarg);
749 				strlcpy(cmdline_filename, optarg,
750 					sizeof(cmdline_filename));
751 			}
752 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
753 				printf("Auto-start selected\n");
754 				auto_start = 1;
755 			}
756 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
757 				printf("Ports to start sending a burst of "
758 						"packets first\n");
759 				tx_first = 1;
760 			}
761 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
762 				char *end = NULL;
763 				unsigned int n;
764 
765 				n = strtoul(optarg, &end, 10);
766 				if ((optarg[0] == '\0') || (end == NULL) ||
767 						(*end != '\0'))
768 					break;
769 
770 				stats_period = n;
771 				break;
772 			}
773 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
774 				char rc;
775 
776 				rc = parse_xstats_list(optarg, &xstats_display,
777 						       &xstats_display_num);
778 				if (rc != 0)
779 					rte_exit(EXIT_FAILURE,
780 						 "Failed to parse display-xstats argument: %d\n",
781 						 rc);
782 			}
783 			if (!strcmp(lgopts[opt_idx].name,
784 				    "eth-peers-configfile")) {
785 				if (init_peer_eth_addrs(optarg) != 0)
786 					rte_exit(EXIT_FAILURE,
787 						 "Cannot open logfile\n");
788 			}
789 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
790 				char *port_end;
791 
792 				errno = 0;
793 				n = strtoul(optarg, &port_end, 10);
794 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
795 					rte_exit(EXIT_FAILURE,
796 						 "Invalid eth-peer: %s", optarg);
797 				if (n >= RTE_MAX_ETHPORTS)
798 					rte_exit(EXIT_FAILURE,
799 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
800 						 n, RTE_MAX_ETHPORTS);
801 
802 				if (rte_ether_unformat_addr(port_end,
803 						&peer_eth_addrs[n]) < 0)
804 					rte_exit(EXIT_FAILURE,
805 						 "Invalid ethernet address: %s\n",
806 						 port_end);
807 				nb_peer_eth_addrs++;
808 			}
809 #endif
810 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
811 				struct in_addr in;
812 				char *end;
813 
814 				end = strchr(optarg, ',');
815 				if (end == optarg || !end)
816 					rte_exit(EXIT_FAILURE,
817 						 "Invalid tx-ip: %s", optarg);
818 
819 				*end++ = 0;
820 				if (inet_pton(AF_INET, optarg, &in) == 0)
821 					rte_exit(EXIT_FAILURE,
822 						 "Invalid source IP address: %s\n",
823 						 optarg);
824 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
825 
826 				if (inet_pton(AF_INET, end, &in) == 0)
827 					rte_exit(EXIT_FAILURE,
828 						 "Invalid destination IP address: %s\n",
829 						 optarg);
830 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
831 			}
832 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
833 				char *end = NULL;
834 
835 				errno = 0;
836 				n = strtoul(optarg, &end, 10);
837 				if (errno != 0 || end == optarg ||
838 				    n > UINT16_MAX ||
839 				    !(*end == '\0' || *end == ','))
840 					rte_exit(EXIT_FAILURE,
841 						 "Invalid UDP port: %s\n",
842 						 optarg);
843 				tx_udp_src_port = n;
844 				if (*end == ',') {
845 					char *dst = end + 1;
846 
847 					n = strtoul(dst, &end, 10);
848 					if (errno != 0 || end == dst ||
849 					    n > UINT16_MAX || *end)
850 						rte_exit(EXIT_FAILURE,
851 							 "Invalid destination UDP port: %s\n",
852 							 dst);
853 					tx_udp_dst_port = n;
854 				} else {
855 					tx_udp_dst_port = n;
856 				}
857 
858 			}
859 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
860 				n = atoi(optarg);
861 				if (n > 0 && n <= nb_ports)
862 					nb_fwd_ports = n;
863 				else
864 					rte_exit(EXIT_FAILURE,
865 						 "Invalid port %d\n", n);
866 			}
867 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
868 				n = atoi(optarg);
869 				if (n > 0 && n <= nb_lcores)
870 					nb_fwd_lcores = (uint8_t) n;
871 				else
872 					rte_exit(EXIT_FAILURE,
873 						 "nb-cores should be > 0 and <= %d\n",
874 						 nb_lcores);
875 			}
876 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
877 				parse_fwd_coremask(optarg);
878 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
879 				parse_fwd_portmask(optarg);
880 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
881 				parse_fwd_portlist(optarg);
882 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
883 				numa_support = 0;
884 			if (!strcmp(lgopts[opt_idx].name, "numa"))
885 				numa_support = 1;
886 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
887 				mp_alloc_type = MP_ALLOC_ANON;
888 			}
889 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
890 				if (!strcmp(optarg, "native"))
891 					mp_alloc_type = MP_ALLOC_NATIVE;
892 				else if (!strcmp(optarg, "anon"))
893 					mp_alloc_type = MP_ALLOC_ANON;
894 				else if (!strcmp(optarg, "xmem"))
895 					mp_alloc_type = MP_ALLOC_XMEM;
896 				else if (!strcmp(optarg, "xmemhuge"))
897 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
898 				else if (!strcmp(optarg, "xbuf"))
899 					mp_alloc_type = MP_ALLOC_XBUF;
900 				else
901 					rte_exit(EXIT_FAILURE,
902 						"mp-alloc %s invalid - must be: "
903 						"native, anon, xmem or xmemhuge\n",
904 						 optarg);
905 			}
906 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
907 				if (parse_portnuma_config(optarg))
908 					rte_exit(EXIT_FAILURE,
909 					   "invalid port-numa configuration\n");
910 			}
911 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
912 				if (parse_ringnuma_config(optarg))
913 					rte_exit(EXIT_FAILURE,
914 					   "invalid ring-numa configuration\n");
915 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
916 				n = atoi(optarg);
917 				if (!new_socket_id((uint8_t)n)) {
918 					socket_num = (uint8_t)n;
919 				} else {
920 					print_invalid_socket_id_error();
921 					rte_exit(EXIT_FAILURE,
922 						"Invalid socket id");
923 				}
924 			}
925 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
926 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
927 				unsigned int nb_segs, i;
928 
929 				nb_segs = parse_item_list(optarg, "mbuf-size",
930 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
931 				if (nb_segs <= 0)
932 					rte_exit(EXIT_FAILURE,
933 						 "bad mbuf-size\n");
934 				for (i = 0; i < nb_segs; i++) {
935 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
936 						rte_exit(EXIT_FAILURE,
937 							 "mbuf-size should be "
938 							 "> 0 and < 65536\n");
939 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
940 				}
941 				mbuf_data_size_n = nb_segs;
942 			}
943 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
944 				n = atoi(optarg);
945 				if (n > 1024)
946 					param_total_num_mbufs = (unsigned)n;
947 				else
948 					rte_exit(EXIT_FAILURE,
949 						 "total-num-mbufs should be > 1024\n");
950 			}
951 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
952 				n = atoi(optarg);
953 				if (n >= RTE_ETHER_MIN_LEN)
954 					rx_mode.max_rx_pkt_len = (uint32_t) n;
955 				else
956 					rte_exit(EXIT_FAILURE,
957 						 "Invalid max-pkt-len=%d - should be > %d\n",
958 						 n, RTE_ETHER_MIN_LEN);
959 			}
960 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
961 				n = atoi(optarg);
962 				rx_mode.max_lro_pkt_size = (uint32_t) n;
963 			}
964 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
965 				if (!strcmp(optarg, "signature"))
966 					fdir_conf.mode =
967 						RTE_FDIR_MODE_SIGNATURE;
968 				else if (!strcmp(optarg, "perfect"))
969 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
970 				else if (!strcmp(optarg, "perfect-mac-vlan"))
971 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
972 				else if (!strcmp(optarg, "perfect-tunnel"))
973 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
974 				else if (!strcmp(optarg, "none"))
975 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
976 				else
977 					rte_exit(EXIT_FAILURE,
978 						 "pkt-mode-invalid %s invalid - must be: "
979 						 "none, signature, perfect, perfect-mac-vlan"
980 						 " or perfect-tunnel\n",
981 						 optarg);
982 			}
983 			if (!strcmp(lgopts[opt_idx].name,
984 				    "pkt-filter-report-hash")) {
985 				if (!strcmp(optarg, "none"))
986 					fdir_conf.status =
987 						RTE_FDIR_NO_REPORT_STATUS;
988 				else if (!strcmp(optarg, "match"))
989 					fdir_conf.status =
990 						RTE_FDIR_REPORT_STATUS;
991 				else if (!strcmp(optarg, "always"))
992 					fdir_conf.status =
993 						RTE_FDIR_REPORT_STATUS_ALWAYS;
994 				else
995 					rte_exit(EXIT_FAILURE,
996 						 "pkt-filter-report-hash %s invalid "
997 						 "- must be: none or match or always\n",
998 						 optarg);
999 			}
1000 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
1001 				if (!strcmp(optarg, "64K"))
1002 					fdir_conf.pballoc =
1003 						RTE_FDIR_PBALLOC_64K;
1004 				else if (!strcmp(optarg, "128K"))
1005 					fdir_conf.pballoc =
1006 						RTE_FDIR_PBALLOC_128K;
1007 				else if (!strcmp(optarg, "256K"))
1008 					fdir_conf.pballoc =
1009 						RTE_FDIR_PBALLOC_256K;
1010 				else
1011 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
1012 						 " must be: 64K or 128K or 256K\n",
1013 						 optarg);
1014 			}
1015 			if (!strcmp(lgopts[opt_idx].name,
1016 				    "pkt-filter-drop-queue")) {
1017 				n = atoi(optarg);
1018 				if (n >= 0)
1019 					fdir_conf.drop_queue = (uint8_t) n;
1020 				else
1021 					rte_exit(EXIT_FAILURE,
1022 						 "drop queue %d invalid - must"
1023 						 "be >= 0 \n", n);
1024 			}
1025 #ifdef RTE_LIB_LATENCYSTATS
1026 			if (!strcmp(lgopts[opt_idx].name,
1027 				    "latencystats")) {
1028 				n = atoi(optarg);
1029 				if (n >= 0) {
1030 					latencystats_lcore_id = (lcoreid_t) n;
1031 					latencystats_enabled = 1;
1032 				} else
1033 					rte_exit(EXIT_FAILURE,
1034 						 "invalid lcore id %d for latencystats"
1035 						 " must be >= 0\n", n);
1036 			}
1037 #endif
1038 #ifdef RTE_LIB_BITRATESTATS
1039 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
1040 				n = atoi(optarg);
1041 				if (n >= 0) {
1042 					bitrate_lcore_id = (lcoreid_t) n;
1043 					bitrate_enabled = 1;
1044 				} else
1045 					rte_exit(EXIT_FAILURE,
1046 						 "invalid lcore id %d for bitrate stats"
1047 						 " must be >= 0\n", n);
1048 			}
1049 #endif
1050 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1051 				rx_offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
1052 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1053 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
1054 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1055 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
1056 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1057 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
1058 			if (!strcmp(lgopts[opt_idx].name,
1059 					"enable-rx-timestamp"))
1060 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
1061 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1062 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
1063 
1064 			if (!strcmp(lgopts[opt_idx].name,
1065 					"enable-hw-vlan-filter"))
1066 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
1067 
1068 			if (!strcmp(lgopts[opt_idx].name,
1069 					"enable-hw-vlan-strip"))
1070 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
1071 
1072 			if (!strcmp(lgopts[opt_idx].name,
1073 					"enable-hw-vlan-extend"))
1074 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
1075 
1076 			if (!strcmp(lgopts[opt_idx].name,
1077 					"enable-hw-qinq-strip"))
1078 				rx_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
1079 
1080 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1081 				rx_drop_en = 1;
1082 
1083 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1084 				rss_hf = 0;
1085 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1086 				if (!strcmp(optarg, "paired"))
1087 					port_topology = PORT_TOPOLOGY_PAIRED;
1088 				else if (!strcmp(optarg, "chained"))
1089 					port_topology = PORT_TOPOLOGY_CHAINED;
1090 				else if (!strcmp(optarg, "loop"))
1091 					port_topology = PORT_TOPOLOGY_LOOP;
1092 				else
1093 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1094 						 " must be: paired, chained or loop\n",
1095 						 optarg);
1096 			}
1097 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1098 				set_pkt_forwarding_mode(optarg);
1099 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1100 				rss_hf = ETH_RSS_IP;
1101 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1102 				rss_hf = ETH_RSS_UDP;
1103 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1104 				rss_hf |= ETH_RSS_LEVEL_INNERMOST;
1105 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1106 				rss_hf |= ETH_RSS_LEVEL_OUTERMOST;
1107 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1108 				n = atoi(optarg);
1109 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1110 					nb_rxq = (queueid_t) n;
1111 				else
1112 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1113 						  " >= 0 && <= %u\n", n,
1114 						  get_allowed_max_nb_rxq(&pid));
1115 			}
1116 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1117 				n = atoi(optarg);
1118 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1119 					nb_txq = (queueid_t) n;
1120 				else
1121 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1122 						  " >= 0 && <= %u\n", n,
1123 						  get_allowed_max_nb_txq(&pid));
1124 			}
1125 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1126 				n = atoi(optarg);
1127 				if (n >= 0 &&
1128 				    check_nb_hairpinq((queueid_t)n) == 0)
1129 					nb_hairpinq = (queueid_t) n;
1130 				else
1131 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1132 						  " >= 0 && <= %u\n", n,
1133 						  get_allowed_max_nb_hairpinq
1134 						  (&pid));
1135 				if ((n + nb_txq) < 0 ||
1136 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1137 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1138 						 "%d invalid - must be"
1139 						  " >= 0 && <= %u\n",
1140 						  n + nb_txq,
1141 						  get_allowed_max_nb_txq(&pid));
1142 				if ((n + nb_rxq) < 0 ||
1143 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1144 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1145 						 "%d invalid - must be"
1146 						  " >= 0 && <= %u\n",
1147 						  n + nb_rxq,
1148 						  get_allowed_max_nb_rxq(&pid));
1149 			}
1150 			if (!nb_rxq && !nb_txq) {
1151 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1152 						"be non-zero\n");
1153 			}
1154 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1155 				char *end = NULL;
1156 				unsigned int n;
1157 
1158 				errno = 0;
1159 				n = strtoul(optarg, &end, 0);
1160 				if (errno != 0 || end == optarg)
1161 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1162 				else
1163 					hairpin_mode = (uint16_t)n;
1164 			}
1165 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1166 				n = atoi(optarg);
1167 				if (n == 0) {
1168 					/* A burst size of zero means that the
1169 					 * PMD should be queried for
1170 					 * recommended Rx burst size. Since
1171 					 * testpmd uses a single size for all
1172 					 * ports, port 0 is queried for the
1173 					 * value, on the assumption that all
1174 					 * ports are of the same NIC model.
1175 					 */
1176 					ret = eth_dev_info_get_print_err(
1177 								0,
1178 								&dev_info);
1179 					if (ret != 0)
1180 						return;
1181 
1182 					rec_nb_pkts = dev_info
1183 						.default_rxportconf.burst_size;
1184 
1185 					if (rec_nb_pkts == 0)
1186 						rte_exit(EXIT_FAILURE,
1187 							"PMD does not recommend a burst size. "
1188 							"Provided value must be between "
1189 							"1 and %d\n", MAX_PKT_BURST);
1190 					else if (rec_nb_pkts > MAX_PKT_BURST)
1191 						rte_exit(EXIT_FAILURE,
1192 							"PMD recommended burst size of %d"
1193 							" exceeds maximum value of %d\n",
1194 							rec_nb_pkts, MAX_PKT_BURST);
1195 					printf("Using PMD-provided burst value of %d\n",
1196 						rec_nb_pkts);
1197 					nb_pkt_per_burst = rec_nb_pkts;
1198 				} else if (n > MAX_PKT_BURST)
1199 					rte_exit(EXIT_FAILURE,
1200 						"burst must be between1 and %d\n",
1201 						MAX_PKT_BURST);
1202 				else
1203 					nb_pkt_per_burst = (uint16_t) n;
1204 			}
1205 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1206 				n = atoi(optarg);
1207 				if (n >= 0)
1208 					nb_pkt_flowgen_clones = (uint16_t) n;
1209 				else
1210 					rte_exit(EXIT_FAILURE,
1211 						 "clones must be >= 0 and <= current burst\n");
1212 			}
1213 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1214 				n = atoi(optarg);
1215 				if (n > 0)
1216 					nb_flows_flowgen = (int) n;
1217 				else
1218 					rte_exit(EXIT_FAILURE,
1219 						 "flows must be >= 1\n");
1220 			}
1221 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1222 				n = atoi(optarg);
1223 				if ((n >= 0) &&
1224 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1225 					mb_mempool_cache = (uint16_t) n;
1226 				else
1227 					rte_exit(EXIT_FAILURE,
1228 						 "mbcache must be >= 0 and <= %d\n",
1229 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1230 			}
1231 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1232 				n = atoi(optarg);
1233 				if (n >= 0)
1234 					tx_free_thresh = (int16_t)n;
1235 				else
1236 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1237 			}
1238 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1239 				n = atoi(optarg);
1240 				if (n >= 0)
1241 					tx_rs_thresh = (int16_t)n;
1242 				else
1243 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1244 			}
1245 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1246 				n = atoi(optarg);
1247 				if (n > 0) {
1248 					if (rx_free_thresh >= n)
1249 						rte_exit(EXIT_FAILURE,
1250 							 "rxd must be > "
1251 							 "rx_free_thresh(%d)\n",
1252 							 (int)rx_free_thresh);
1253 					else
1254 						nb_rxd = (uint16_t) n;
1255 				} else
1256 					rte_exit(EXIT_FAILURE,
1257 						 "rxd(%d) invalid - must be > 0\n",
1258 						 n);
1259 			}
1260 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1261 				n = atoi(optarg);
1262 				if (n > 0)
1263 					nb_txd = (uint16_t) n;
1264 				else
1265 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1266 			}
1267 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1268 				n = atoi(optarg);
1269 				if (n >= 0)
1270 					tx_pthresh = (int8_t)n;
1271 				else
1272 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1273 			}
1274 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1275 				n = atoi(optarg);
1276 				if (n >= 0)
1277 					tx_hthresh = (int8_t)n;
1278 				else
1279 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1280 			}
1281 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1282 				n = atoi(optarg);
1283 				if (n >= 0)
1284 					tx_wthresh = (int8_t)n;
1285 				else
1286 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1287 			}
1288 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1289 				n = atoi(optarg);
1290 				if (n >= 0)
1291 					rx_pthresh = (int8_t)n;
1292 				else
1293 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1294 			}
1295 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1296 				n = atoi(optarg);
1297 				if (n >= 0)
1298 					rx_hthresh = (int8_t)n;
1299 				else
1300 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1301 			}
1302 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1303 				n = atoi(optarg);
1304 				if (n >= 0)
1305 					rx_wthresh = (int8_t)n;
1306 				else
1307 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1308 			}
1309 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1310 				n = atoi(optarg);
1311 				if (n >= 0)
1312 					rx_free_thresh = (int16_t)n;
1313 				else
1314 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1315 			}
1316 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1317 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1318 				unsigned int nb_offs;
1319 
1320 				nb_offs = parse_item_list
1321 						(optarg, "rxpkt offsets",
1322 						 MAX_SEGS_BUFFER_SPLIT,
1323 						 seg_off, 0);
1324 				if (nb_offs > 0)
1325 					set_rx_pkt_offsets(seg_off, nb_offs);
1326 				else
1327 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1328 			}
1329 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1330 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1331 				unsigned int nb_segs;
1332 
1333 				nb_segs = parse_item_list
1334 						(optarg, "rxpkt segments",
1335 						 MAX_SEGS_BUFFER_SPLIT,
1336 						 seg_len, 0);
1337 				if (nb_segs > 0)
1338 					set_rx_pkt_segments(seg_len, nb_segs);
1339 				else
1340 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1341 			}
1342 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1343 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1344 				unsigned int nb_segs;
1345 
1346 				nb_segs = parse_item_list(optarg, "txpkt segments",
1347 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1348 				if (nb_segs > 0)
1349 					set_tx_pkt_segments(seg_lengths, nb_segs);
1350 				else
1351 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1352 			}
1353 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1354 				txonly_multi_flow = 1;
1355 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1356 				no_flush_rx = 1;
1357 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1358 				n = atoi(optarg);
1359 				if (n >= 0 && parse_link_speed(n) > 0)
1360 					eth_link_speed = parse_link_speed(n);
1361 			}
1362 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1363 				no_link_check = 1;
1364 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1365 				no_device_start = 1;
1366 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1367 				lsc_interrupt = 0;
1368 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1369 				rmv_interrupt = 0;
1370 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1371 				flow_isolate_all = 1;
1372 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1373 				char *end = NULL;
1374 				n = strtoull(optarg, &end, 16);
1375 				if (n >= 0)
1376 					tx_offloads = (uint64_t)n;
1377 				else
1378 					rte_exit(EXIT_FAILURE,
1379 						 "tx-offloads must be >= 0\n");
1380 			}
1381 
1382 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1383 				char *end = NULL;
1384 				n = strtoull(optarg, &end, 16);
1385 				if (n >= 0)
1386 					rx_offloads = (uint64_t)n;
1387 				else
1388 					rte_exit(EXIT_FAILURE,
1389 						 "rx-offloads must be >= 0\n");
1390 			}
1391 
1392 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1393 				n = atoi(optarg);
1394 				if (n >= 0)
1395 					vxlan_gpe_udp_port = (uint16_t)n;
1396 				else
1397 					rte_exit(EXIT_FAILURE,
1398 						 "vxlan-gpe-port must be >= 0\n");
1399 			}
1400 			if (!strcmp(lgopts[opt_idx].name,
1401 				    "geneve-parsed-port")) {
1402 				n = atoi(optarg);
1403 				if (n >= 0)
1404 					geneve_udp_port = (uint16_t)n;
1405 				else
1406 					rte_exit(EXIT_FAILURE,
1407 						 "geneve-parsed-port must be >= 0\n");
1408 			}
1409 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1410 				if (parse_event_printing_config(optarg, 1)) {
1411 					rte_exit(EXIT_FAILURE,
1412 						 "invalid print-event argument\n");
1413 				}
1414 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1415 				if (parse_event_printing_config(optarg, 0)) {
1416 					rte_exit(EXIT_FAILURE,
1417 						 "invalid mask-event argument\n");
1418 				}
1419 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1420 				hot_plug = 1;
1421 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1422 				do_mlockall = 1;
1423 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1424 				do_mlockall = 0;
1425 			if (!strcmp(lgopts[opt_idx].name,
1426 				    "noisy-tx-sw-buffer-size")) {
1427 				n = atoi(optarg);
1428 				if (n >= 0)
1429 					noisy_tx_sw_bufsz = n;
1430 				else
1431 					rte_exit(EXIT_FAILURE,
1432 						"noisy-tx-sw-buffer-size must be >= 0\n");
1433 			}
1434 			if (!strcmp(lgopts[opt_idx].name,
1435 				    "noisy-tx-sw-buffer-flushtime")) {
1436 				n = atoi(optarg);
1437 				if (n >= 0)
1438 					noisy_tx_sw_buf_flush_time = n;
1439 				else
1440 					rte_exit(EXIT_FAILURE,
1441 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1442 			}
1443 			if (!strcmp(lgopts[opt_idx].name,
1444 				    "noisy-lkup-memory")) {
1445 				n = atoi(optarg);
1446 				if (n >= 0)
1447 					noisy_lkup_mem_sz = n;
1448 				else
1449 					rte_exit(EXIT_FAILURE,
1450 						 "noisy-lkup-memory must be >= 0\n");
1451 			}
1452 			if (!strcmp(lgopts[opt_idx].name,
1453 				    "noisy-lkup-num-writes")) {
1454 				n = atoi(optarg);
1455 				if (n >= 0)
1456 					noisy_lkup_num_writes = n;
1457 				else
1458 					rte_exit(EXIT_FAILURE,
1459 						 "noisy-lkup-num-writes must be >= 0\n");
1460 			}
1461 			if (!strcmp(lgopts[opt_idx].name,
1462 				    "noisy-lkup-num-reads")) {
1463 				n = atoi(optarg);
1464 				if (n >= 0)
1465 					noisy_lkup_num_reads = n;
1466 				else
1467 					rte_exit(EXIT_FAILURE,
1468 						 "noisy-lkup-num-reads must be >= 0\n");
1469 			}
1470 			if (!strcmp(lgopts[opt_idx].name,
1471 				    "noisy-lkup-num-reads-writes")) {
1472 				n = atoi(optarg);
1473 				if (n >= 0)
1474 					noisy_lkup_num_reads_writes = n;
1475 				else
1476 					rte_exit(EXIT_FAILURE,
1477 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1478 			}
1479 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1480 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1481 
1482 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1483 				char *end = NULL;
1484 				n = strtoul(optarg, &end, 16);
1485 				if (n >= 0 && n <= ETH_MQ_RX_VMDQ_DCB_RSS)
1486 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1487 				else
1488 					rte_exit(EXIT_FAILURE,
1489 						 "rx-mq-mode must be >= 0 and <= %d\n",
1490 						 ETH_MQ_RX_VMDQ_DCB_RSS);
1491 			}
1492 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1493 				record_core_cycles = 1;
1494 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1495 				record_burst_stats = 1;
1496 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1497 				num_procs = atoi(optarg);
1498 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1499 				proc_id = atoi(optarg);
1500 			break;
1501 		case 'h':
1502 			usage(argv[0]);
1503 			exit(EXIT_SUCCESS);
1504 			break;
1505 		default:
1506 			usage(argv[0]);
1507 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1508 			rte_exit(EXIT_FAILURE,
1509 				 "Command line is incomplete or incorrect\n");
1510 			break;
1511 		}
1512 	}
1513 
1514 	if (optind != argc) {
1515 		usage(argv[0]);
1516 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1517 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1518 	}
1519 
1520 	/* Set offload configuration from command line parameters. */
1521 	rx_mode.offloads = rx_offloads;
1522 	tx_mode.offloads = tx_offloads;
1523 
1524 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1525 	    mp_alloc_type != MP_ALLOC_ANON) {
1526 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1527 				  "mp-alloc=anon. mempool no-iova-contig is "
1528 				  "ignored\n");
1529 		mempool_flags = 0;
1530 	}
1531 }
1532